Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then

Question:

Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then write the net ionic equation. If no reaction occurs, write NR after the arrow.
a. Sr(OH)2 + HC2H3O2 →
b. NH4I + CsCl →
c. NaNO3 + CsCl →
d. NH4I +AgNO3 →