C₂H₅OH+NaOH-->C₂H₅ONa+H₂O
https://ru-static.z-dn.net/files/d9d/c5191c20af8f6d04e26f277919561f37.jpg
O---Ca---O
| |
O= P-O-Ca-O-P=O
H H
O O
O= C-O-Ca-O-C=O