It is not easy to communicate with deaf people. However, there are ways how the deaf communicate with each other by signing.
The signing is not so easy to learn. You have to put much efforts in it. Actually it is composed by deaf themselves for the deaf. If you want to have some communication with deaf, you can also learn the fingerspellingalphabet. I have here the fingerspelling for the Philippines; it is quite similar to that used in the United States of America.
The fingerspelling can be easily learned and you will find joy in using it. If you want to communicate with deaf people more, you are advised to learn the signs deaf themselves are using. There are signlanguagegroups to learn this.