\(AgNO_3+HCl\rightarrow AgCl\downarrow+HNO_3\\ 3Fe+2Cl_2\rightarrow^{t^o}2FeCl_3\\ FeCl_2+2NaOH\rightarrow Fe\left(OH\right)_2+2NaCl\\ 3Cu\left(NO_3\right)_2+2Al\rightarrow3Cu+2Al\left(NO_3\right)_3\\ 2Al+3Cu\left(NO_3\right)_2\rightarrow3Cu+2Al\left(NO_3\right)_3\)