Noun:name of person,place, thing,etc.
possessive nouns shows ownership by placing/putting/adding an apostrophe, an 's' or both.. (e.g.: [singular]I just noticed that today's newspaper is interesting.) (e.g.: [plural] Mr. Lara's students' grades are quite low this semester.)
there are also some called personal pronouns as possessive,like this:
We decorated our house for the halloween.