Write a balance equation for each of the following single replacement reactions.?

1) Cadmium wire is put into a silver fluoride solution. 2) Mg(s) + NiSO4(aq)→ 3) Al(s) + PbSO4(aq)→ 4) MgSO4(aq)+ BaI2(aq) → 5) FeBr3(aq) + Na2CO3(aq) → anyone know how to do these? also if you could explain to me how to do these that would be great thanks!