(2) Aluminum can be pressed into aluminum foil, indicating that aluminum has good ductility.

(3) The quicklime reacts with water to generate calcium hydroxide, and at the same time releases heat. The chemical equation of this reaction is Cao+H2O ═ Ca (OH) 2. In this reaction, there are two reactants and one product, which belongs to the combination reaction.

(2)① Ancient calligraphy and painting are mostly made of ink, and the main component of ink is carbon. The chemical properties of carbon are relatively stable at room temperature, so ancient calligraphy and painting can be preserved for a long time without fading;

(2) The released powder covers the combustible materials, and at the same time releases non-combustible gas to extinguish the flame, because it prevents the combustible materials from contacting with oxygen, so B is selected.

So the answer is: (1)① sugar;

② ductility;

③cao+h2o═ca(oh)2； Compound reaction;

(2)① The main component of ink is carbon, and its chemical properties are stable at room temperature; ?

②B。