Balancing word equations?

Question

Potassium iodide + lead (II) nitrate --> lead (II) iodide + potassium nitrate

Magnesium chloride + amonium nitrate --> magnesium nitrate + ammonium chloride

Thanks in advance!!

Answer 1

1) 2KI(aq) + Pb(NO3)2(aq) -> 2KNO3(aq) + PbI2(s)
This is a classic example of a metathesis or double replacement Reactions

2) Mg(Cl)2 + 2(NH)4(NO)3 ---------> Mg(NO3)2 +2(NH)4Cl