write the net ionic equation for the following molecular equation.

2Crl(aq)+3NaCO3(aq) ---> Cr2(CO3)3(s) + 6NaI(aq)

I did that for you below but I corrected the typos.

2Cr^3+(aq) + 3CO3^2-(aq) ==> Cr2(CO3)3(s)