I want to make a power of attorney on my wife...

If you wish to make a power of attorney in your wife's name, find the following information:
You first have to review the notary, and submit a request to make an exclusive power of attorney for your wife.
Provided that you specify in the power of attorney specifically and clearly, the powers that you want to grant to your wife.
When submitting a power of attorney for a private, you must submit the following documents:
The passport
Emirates residence ID
In addition, the fees for power of attorney usually ranges from one hundred to three hundred dirhams