Rumours are circulating in the Israeli media that Kadima plans to leave the Israeli government coalition imminently.
The centrist party joined the Likud-led coalition in May, after former Defence Minister Shaul Mofaz won the leadership over Tzipi Livni.
But cracks have emerged in the agreement, particularly over Prime Minister Netanyahu's handling of legislative changes to the universal draft.
The issue of whether it is mandatory for Charedim to serve in the Israeli army is a polarising one in Israel, but on Monday Mr Netanyahu announced that negotiations on the reform had collapsed.