Io chi sono? as a question and Io sono chi... . as an incomplete declarative are respective Italian equivalents of the English phrase "I am who?" and "I am who... ." The first example literally translates into English "I, who am (I)?" The respective pronunciations will be "EE-o kee SO-no" and "EE-o SO-no kee" in Italian.
When translated from English to Italian a raccoon is a procione
"Out" in English is fuori in Italian.
"About" in English is circa in Italian.
"Or" in English is o in Italian.
"Not italian" in English is non italiano in Italian.
"To have" in English means avere in Italian.
"And you?" in English is E tu? in Italian.
"Who we are" in English is Chi siamo in Italian.
"About me!" in English is Su di me! in Italian.
Questa in Italian is "this" in English.
"How is he?" in English is Come sta? in Italian.
"You did" in English is Hai fatto! in Italian.