Ciao! Mi chiamo...! E tu? is an Italian equivalent of the English phrase "Hello! My name is...! And yours?" The introduction translates literally into English as "Hi! I call myself...! And you?" The pronunciation will be "tchow mee KYA-mo ey too" in Italian.
Sono tuo in Italian means "I'm yours" in English.
La tua in Italian means "yours" directed to a woman in English.
Per sempre tuo in Italian means "Forever yours" in English.
Sempre la tua in Italian means "always yours" in English.
"Thanks from my family to yours!" in English is Grazie a tutti voi da parte della mia famiglia! in Italian.
"Merry Christmas to you and yours!" in Italian means Buon Natale a voi e la vostra! in Italian.
Sempre tua in Italian means "always yours" as said by a girl or woman in English.
It is best not to go there. The equivalent in Italian is as escalatory as that in English. The politest reaction is maledetto ("curse," pronounced MA-ley-DET-to") and even that is escalatory in Italian!
Bene! Grazie! E la tua? in Italian means "Fine, thanks, and yours?" in English regarding family.
Ciao! Mi chiamo Oliva. E tu? is an Italian equivalent of the English phrase "Hi! My name is Olivia. How about yours?" The greeting, first person singular reflexive pronoun and present indicative, feminine proper name, conjunction, and second person singular pronoun translate literally into English as "Hello! I call myself Olivia. And you?" The pronunciation will be "tchow mee KYA-mo o-LEE-va ey too" in Italian.
Grazie anche a te! is an Italian equivalent of the English phrase "Thanks for yours too!" The interjection, adverb, preposition, and emphatic second person informal singular pronoun translate literally as "Thanks also to you!" The pronunciation will be "GRA-tsyey AN-key a tey" in Italian.
Ciao! Mi chiamo...! Come ti chiama? in the singular and Ciao! Mi chiamo...! Come vi chiamate? in the plural are Italian equivalent of the English phrase "Hello! My name is...! What is yours?" Context makes clear whether one "you" (case 1) or two or more "you all" (example 2) suits. The respective pronunciations will be "tchow mee KYA-mo KO-mey tee KYA-ma" in the singular and "tchow mee KYA-mo KO-mey vee kya-MA-tey" in the plural in Italian.