The word you’re is a contraction of the words you are.
I hope you are hungry.
I hope you’re hungry.
The apostrophe in the word always signals that it is a contraction.
The word your is a possessive pronoun. It has no apostrophe because it hasn’t been shortened.
Is that your dog?
I like your new dress.
The word your is used to show ownership.
The words you’re and your are sometimes confusing. Use you’re when you mean to say you are. The apostrophe in you’re shows that it has been shortened to a contraction. The word your is used to show ownership.
▶It’s your turn. Decide which sentence needs the contraction you’re which means you are: Is that ____ car?
_____ going to be late for school. Did you figure it out by inserting you are into each blank to see which works best? Good for you!