The word 'you' is not a noun. The word 'you' is a pronoun, a word that takes the place of the noun that is your name.
The possessive forms for the pronoun 'you' are the possessive adjective 'your' and the possessive pronoun 'yours'. Examples uses:
Possessive adjective: I think this is your book.
Possessive pronoun: I think this book is yours.
No, he is not possessive. The possessive form would be his.
The possessive noun of Sam is Sam's.
The possessive noun for "diplomat" is "diplomat's." For example: The diplomat's speech was well-received.
No, "she's" stands for she is. The singular possessive noun for a female is her or hers.
The possessive form for the plural noun wives is wives'.
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive form of zoo is zoo's.
The possessive form for the noun preacher is preacher's.
The possessive form for the noun laboratory is laboratory's.
No, he is not possessive. The possessive form would be his.
The possessive form for the noun oxygen is oxygen's.
The possessive form is grandson's.
The possessive form is island's.
The possessive form for the noun coyote is coyote's.
The singular possessive noun is Rex's.
No, it is a singular possessive noun.