In solution white precipitate of Silver carbonate are formed.
PbCO3 + 2AgNO3 ----> Ag2CO3 + Pb(NO3)2
The balanced equation for silver nitrate in solution with lead(II) carbonate is:
2 AgNO3(aq) + PbCO3(aq) → 2 AgNO3(pb) + Pb(NO3)2(aq) + CO2(g) + H2O(l)