Neither. The word "it" is a pronoun, not a noun.
The possessive form of this word is its, without an apostrophe. Possessive pronouns do not have apostrophes, e.g. his, hers, theirs, its.
The word it's is a contraction, and short for it is. Therefore, it is incorrect to say "look at the dog chewing it's bone" as you would really be saying "look at the dog chewing it is bone".
nouns,pronouns,possesive,
Absract, Compound, Collective, Proper, Singular, Plural, Concrete, Possesive
For plural nouns that end in -s add an apostrophe. - parents' The parents' cars were in the driveway.
The possessive of all English plural nouns not ending in -s is formed by adding -'s: oxen's
Examples of nouns are:anarchyanimositybeautybraverycommunismconceptcuriositydemocracydisciplineemotionfeelingfreedomfriendlinessfriendshipfungoalHappinessHatehonestyhonor
Examples of gender specific nouns are:auntbullkingmotherrooster
Examples of nouns for things are:appleballooncardiamondeducationflowergardenhydrogenicejokekitchenlunchmoneynecktieonionpromisequiltreasonstartoothumbrellaviolinwaterx-rayyearzenith
Examples of singular nouns ending in -io are:audioimpresariopatioPinocchiopistachiopolioportfolioradioratiotrio
Examples of boring nouns are:drilldrilling rigoil rigaugermouseratbadgermeerkatbark beetlestermites
The plural of bus is buses, and the possessive of all English plural nouns ending in -s is formed by adding an apostrophe: buses'
Some examples of 'quality of mind' nouns, also called abstract nouns, are:anxietybraveryconfidencedecisivenesseuphemismfungenerosityhappinessisolationjoyknowledgeluxurymemorynewsopinionpurposequestionreasonsorrowtroubleurgevaluewealthyearzeal
nouns