Possessive Adjective and  Possessive Pronoun

Possessive pronouns and adjectives are two different ways to show possession in English.

• Possessive adjectives go before the noun    

 Possessive Adjective        +        Noun

Examples:

My dog is big.

Her cat is brown

Their sister works downtown

This is my car.

Is that your pen?

• Possessive pronouns go after the noun.

Noun        +        Possessive Pronoun

Examples:

The dog is mine.

The brown cat is hers.

The car is ours.

The car is mine

Is that pen yours?

List of the possessive adjectives and possessive 

pronouns:

Possessive Adjectives	Possessive Pronouns
MY	MINE
YOUR	YOURS
HIS	HIS
HER	HERS
ITS	ITS
OUR	OURS
THEIR	THEIRS

Source: http://www.learnenglish-online.com/grammar/possessives.html