What salt is produced in each of the following neutralization reactions?

HNO3(aq)+KOH(aq)→H2O(l)+?

HNO3(aq)+Ca(OH)2(aq)→H2O(l)+?

HCl(aq)+Ca(OH)2(aq)→H2O(l)+?

HCl(aq)+KOH(aq)→H2O(l)+?

1. KNO3

2. Ca(NO3)2
3. CaCl2
4. KCl