Which of the following is a neutralization reaction

A
Na
2
​
O
(s)
​
+H
2
​
O
(aq)
​
→2NaOH(s)
B
4Na
(s)
​
+O
2
​

(g)
​
→2Na
2
​
O(s)
C
NaOH
(aq)
​
+HCl
(aq)
​
→NaCl
(aq)
​
+H
2
​
O
(aq)
​

D
2Ca
(s)
​
+O
2
​

(g)
​
→2CaO(s).

Correct option is C)