常见的有：
Ag+ + Cl- == AgCl↓
Ag+ + Br- == AgBr↓
Ag+ + I- ==AgI↓
2Ag+ + S2- == Ag2S↓
Ag+ + CO3^2- == Ag2CO3↓
3Ag+ + PO4^3- == Ag3PO4↓
Ag+ + OH- == AgOH↓