UNITED NATIONS, N.Y., Feb. 28--In a major break after weeks of negotiations, Israel informed the U.N. Assembly today it will make a statement tomorrow on its plan to withdraw from Egypt and the Gaza Strip.

Israeli Deputy Delegate Mordecal R. Kidron said during debate today that "the Israel delegation will be in a position to make a statement on the Israeli plan for withdrawal at a meeting of the General Assembly tomorrow afternoon."

Kidron's announcement was reported by sources close to the delegation to mean Israel is preparing to pull her troops back from the Gulf of Aqua and the Gaza Strip.

Hungarian Cabinet Changed

BUDAPEST, Hungary, Feb. 28--The Hungarian Cabinet and Communist party have been reorganized. Five changes were made in Premier Janos Kadar's Cabinet. Frenc Muennich, defense minister and interior minister, became first deputy premier. Lt. Gen. Geza Revesz took over the defense ministry and Bela Biszku stepped in as interior minister.

A.P. News in Brief

South Africa's white supremacy government prepared yesterday to end all bus service to several Johannesburg Negro townships by tonight. More than 40,000 nonwhites appeared determined to defy demands that they end their 52-days-old mass boycott of the city's transportation system, while armed police stood by amid rumors of big demonstrations in Negro areas.

Chancellor Konrad Adenauer agreed yesterday to a high-level trade talks between the Soviet Union and West Germany in an effort to develop "friendly cooperation."