The Net Ionic Equation for the Reaction Cu (S)+ 2 $\rightarrow$

The net ionic equation for the reaction Cu (s) + 2 HNO₃ (aq) $\rightarrow$ H₂(g) + Cu(NO₃) ₂ (aq) is:

A) Cu (s) + H⁺ (aq) $\rightarrow$ H₂(g) + Cu²⁺ (aq) .
B) Cu (s) + 2 H⁺ (aq) $\rightarrow$ H₂(g) + Cu²⁺ (aq) .
C) Cu (s) + 2 H⁺ (aq) $\rightarrow$ H₂(g) + Cu⁺ (aq) .
D) Cu (s) + H⁺ (aq) $\rightarrow$ H₂(g) + Cu⁺ (aq) .