The third wire that you don't have is the earth, so therefore you have a live wire and a neutral wire. If you are in England the live wire will be brown and the blue is neutral. As you look at the...
You have two options. The first and best option is to change the receptacle to a three wire outlet. Ground the receptacle's green terminal to the back of the electrical box where a ground wire should...
Assuming you mean the plug that goes into the receptacle . . . Its easy. Look at the plug. Attach the green wire to the cround (upside down U shaped). Attach the BLACK wire to the coppery connector....
The 220 V should be between red and black wires and the ground connects to the ground prong on the plug. If you are asking this question, then maybe you need an electrician.