Anh N. answered 10/29/22
Experienced Teaching Assistant Specializing in College Chemistry
In this reaction,
Pb(NO3)2 (aq) + NiCl2 (aq) —> PbCl2 (s) + Ni(NO3)2 (aq)
We can see a white solid (PbCl2) formed after mixing Pb(NO3)2 and NiCl2 together. Therefore, this is a precipitation reaction.