Determine the salt 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) + ?