Choose the net ionic equation for the reaction betweenmercury(I) nitrate and potassium iodide:
Hg₂(NO₃)2 (aq) + 2 KI (aq) = Hg₂I₂ (s) + 2 KNO₃

A. K⁺ (aq)+ NO₃⁻ (aq) = KNO₃ (aq)
B. KI (aq) = K⁺ (aq) + I⁻ (aq)
C. Hg₂(NO₃)2 (aq)= Hg₂²⁺ (aq) + 2 NO₃⁻ (aq)
D. Hg₂²⁺ (aq) + 2I⁻ (aq) = Hg₂I₂ (s)