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↓
