Nowadays when learning to communicate has become the principal object while studying a foreign language, each skill plays an important part. To have success a very important part is played by teaching language skills in a communicative way. The aim of this work is to consider the importance of teaching writing skills in a communicative way and what teachers should do to have effective teaching. Writing also enhances language acquisition; it develops critical thinking and helps learners to express freely as in their mother tongue, using English for communicative purpose. The teacher has to use different techniques and strategies to develop communicative writing according to the age and language level of students. Teachers should have clear objectives in the teaching process. When texts do not offer a lot of writing activities is the teacher who has to prepare communicative writing assignments. An effective writing assignment can advance important course objectives, the instructions should be given clear, in this way it encourages students to learn actively. The goal is not simply dictate and written down a part but to develop into a higher level so as it continues the idea of what they hear at communicative level