what is definition of a salt

why do AgNO3 and NaIO3 react although both are salts??

isnt it that two salts dont react? if not plz give examples.

rates assured.

plzzzzzzz someone ans.

why r goiitians becoming so lazy to answer academic qnts and r are all just answering all time pass type question? r goiitians only interested in aswering simple questions and getting more rates rather than helping others and sharing quality knowledge??